- r -

• RayCast() : b2BroadPhase , b2ChainShape , b2CircleShape , b2EdgeShape , b2Fixture , b2PolygonShape , b2Shape , b2World
• Refilter() : b2Fixture
• ReportFixture() : b2QueryCallback , b2RayCastCallback
• Reset() : b2Timer
• ResetFriction() : b2Contact
• ResetMassData() : b2Body
• ResetRestitution() : b2Contact